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<a name="1" href="#1">1</a>   <em>/**<em>*</em></em>
<a name="2" href="#2">2</a>   <em> * $Id: ConversionUtils.html 10 2008-10-01 10:56:15Z azeckoski $</em>
<a name="3" href="#3">3</a>   <em> * $URL: http://reflectutils.googlecode.com/svn/maven/site/xref/org/azeckoski/reflectutils/ConversionUtils.html $</em>
<a name="4" href="#4">4</a>   <em> * ConversionUtils.java - genericdao - May 19, 2008 10:10:15 PM - azeckoski</em>
<a name="5" href="#5">5</a>   <em> **************************************************************************</em>
<a name="6" href="#6">6</a>   <em> * Copyright (c) 2008 Aaron Zeckoski</em>
<a name="7" href="#7">7</a>   <em> * Licensed under the Apache License, Version 2.0</em>
<a name="8" href="#8">8</a>   <em> * </em>
<a name="9" href="#9">9</a>   <em> * A copy of the Apache License has been included in this </em>
<a name="10" href="#10">10</a>  <em> * distribution and is available at: <a href="http://www.apache.org/licenses/LICENSE-2.0.txt" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0.txt</a></em>
<a name="11" href="#11">11</a>  <em> *</em>
<a name="12" href="#12">12</a>  <em> * Aaron Zeckoski (azeckoski @ gmail.com) (aaronz @ vt.edu) (aaron @ caret.cam.ac.uk)</em>
<a name="13" href="#13">13</a>  <em> */</em>
<a name="14" href="#14">14</a>  
<a name="15" href="#15">15</a>  <strong>package</strong> org.azeckoski.reflectutils;
<a name="16" href="#16">16</a>  
<a name="17" href="#17">17</a>  <strong>import</strong> java.io.File;
<a name="18" href="#18">18</a>  <strong>import</strong> java.lang.ref.SoftReference;
<a name="19" href="#19">19</a>  <strong>import</strong> java.lang.reflect.Array;
<a name="20" href="#20">20</a>  <strong>import</strong> java.math.BigDecimal;
<a name="21" href="#21">21</a>  <strong>import</strong> java.math.BigInteger;
<a name="22" href="#22">22</a>  <strong>import</strong> java.net.URL;
<a name="23" href="#23">23</a>  <strong>import</strong> java.util.Calendar;
<a name="24" href="#24">24</a>  <strong>import</strong> java.util.Collection;
<a name="25" href="#25">25</a>  <strong>import</strong> java.util.Date;
<a name="26" href="#26">26</a>  <strong>import</strong> java.util.List;
<a name="27" href="#27">27</a>  <strong>import</strong> java.util.Map;
<a name="28" href="#28">28</a>  <strong>import</strong> java.util.Vector;
<a name="29" href="#29">29</a>  <strong>import</strong> java.util.Map.Entry;
<a name="30" href="#30">30</a>  
<a name="31" href="#31">31</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.ArrayConverter;
<a name="32" href="#32">32</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.BigDecimalConverter;
<a name="33" href="#33">33</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.BigIntegerConverter;
<a name="34" href="#34">34</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.BooleanConverter;
<a name="35" href="#35">35</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.ByteConverter;
<a name="36" href="#36">36</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.CalendarConverter;
<a name="37" href="#37">37</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.CharacterConverter;
<a name="38" href="#38">38</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.ClassConverter;
<a name="39" href="#39">39</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.CollectionConverter;
<a name="40" href="#40">40</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.DateConverter;
<a name="41" href="#41">41</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.DoubleConverter;
<a name="42" href="#42">42</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.EnumConverter;
<a name="43" href="#43">43</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.FileConverter;
<a name="44" href="#44">44</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.FloatConverter;
<a name="45" href="#45">45</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.IntegerConverter;
<a name="46" href="#46">46</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.LongConverter;
<a name="47" href="#47">47</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.MapConverter;
<a name="48" href="#48">48</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.NumberConverter;
<a name="49" href="#49">49</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.SQLDateConverter;
<a name="50" href="#50">50</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.SQLTimeConverter;
<a name="51" href="#51">51</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.ScalarConverter;
<a name="52" href="#52">52</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.ShortConverter;
<a name="53" href="#53">53</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.StringConverter;
<a name="54" href="#54">54</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.TimestampConverter;
<a name="55" href="#55">55</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.URLConverter;
<a name="56" href="#56">56</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.api.Converter;
<a name="57" href="#57">57</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.api.InterfaceConverter;
<a name="58" href="#58">58</a>  <strong>import</strong> org.azeckoski.reflectutils.converters.api.VariableConverter;
<a name="59" href="#59">59</a>  <strong>import</strong> org.azeckoski.reflectutils.refmap.ReferenceMap;
<a name="60" href="#60">60</a>  <strong>import</strong> org.azeckoski.reflectutils.refmap.ReferenceType;
<a name="61" href="#61">61</a>  
<a name="62" href="#62">62</a>  <em>/**<em>*</em></em>
<a name="63" href="#63">63</a>  <em> * Class which provides methods for converting between object types,</em>
<a name="64" href="#64">64</a>  <em> * can be extended with various converters</em>
<a name="65" href="#65">65</a>  <em> * </em>
<a name="66" href="#66">66</a>  <em> * @author Aaron Zeckoski (azeckoski @ gmail.com)</em>
<a name="67" href="#67">67</a>  <em> */</em>
<a name="68" href="#68">68</a>  <strong>public</strong> <strong>class</strong> <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a> {
<a name="69" href="#69">69</a>  
<a name="70" href="#70">70</a>      <em>/**<em>*</em></em>
<a name="71" href="#71">71</a>  <em>     * Empty constructor</em>
<a name="72" href="#72">72</a>  <em>     */</em>
<a name="73" href="#73">73</a>      <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a>() {
<a name="74" href="#74">74</a>          <strong>this</strong>(<strong>null</strong>);
<a name="75" href="#75">75</a>      }
<a name="76" href="#76">76</a>  
<a name="77" href="#77">77</a>      <em>/**<em>*</em></em>
<a name="78" href="#78">78</a>  <em>     * Constructor which allows adding to the initial set of converters</em>
<a name="79" href="#79">79</a>  <em>     * &lt;br/></em>
<a name="80" href="#80">80</a>  <em>     * &lt;b>WARNING:&lt;/b> if you don't need this control then just use the {@link #getInstance()} method to get this</em>
<a name="81" href="#81">81</a>  <em>     * </em>
<a name="82" href="#82">82</a>  <em>     * @param converters a map of converters to add to the default set</em>
<a name="83" href="#83">83</a>  <em>     */</em>
<a name="84" href="#84">84</a>      <strong>public</strong> <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a>(Map&lt;Class&lt;?>, Converter&lt;?>> converters) {
<a name="85" href="#85">85</a>          <em class="comment">// populate the converters</em>
<a name="86" href="#86">86</a>          setConverters(converters);
<a name="87" href="#87">87</a>          setVariableConverters(<strong>null</strong>);
<a name="88" href="#88">88</a>  
<a name="89" href="#89">89</a>          ConversionUtils.setInstance(<strong>this</strong>);
<a name="90" href="#90">90</a>      }
<a name="91" href="#91">91</a>  
<a name="92" href="#92">92</a>      <strong>protected</strong> Map&lt;Class&lt;?>, Converter&lt;?>> converters = <strong>null</strong>;
<a name="93" href="#93">93</a>      <em>/**<em>*</em></em>
<a name="94" href="#94">94</a>  <em>     * Set the object converters to add to the default converters</em>
<a name="95" href="#95">95</a>  <em>     * @param converters a map of converters to add to the default set</em>
<a name="96" href="#96">96</a>  <em>     */</em>
<a name="97" href="#97">97</a>      <strong>public</strong> <strong>void</strong> setConverters(Map&lt;Class&lt;?>, Converter&lt;?>> converters) {
<a name="98" href="#98">98</a>          loadDefaultConverters();
<a name="99" href="#99">99</a>          <strong>if</strong> (converters != <strong>null</strong>) {
<a name="100" href="#100">100</a>             <strong>for</strong> (Entry&lt;Class&lt;?>, Converter&lt;?>> entry : converters.entrySet()) {
<a name="101" href="#101">101</a>                 <strong>if</strong> (entry.getKey() != <strong>null</strong> &amp;&amp; entry.getValue() != <strong>null</strong>) {
<a name="102" href="#102">102</a>                     <strong>this</strong>.converters.put(entry.getKey(), entry.getValue());
<a name="103" href="#103">103</a>                 }
<a name="104" href="#104">104</a>             }
<a name="105" href="#105">105</a>         }
<a name="106" href="#106">106</a>     }
<a name="107" href="#107">107</a>     <strong>protected</strong> Map&lt;Class&lt;?>, Converter&lt;?>> getConverters() {
<a name="108" href="#108">108</a>         <strong>if</strong> (converters == <strong>null</strong>) {
<a name="109" href="#109">109</a>             loadDefaultConverters();
<a name="110" href="#110">110</a>         }
<a name="111" href="#111">111</a>         <strong>return</strong> converters;
<a name="112" href="#112">112</a>     }
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a>     <em>/**<em>*</em></em>
<a name="115" href="#115">115</a> <em>     * this loads up all the default converters</em>
<a name="116" href="#116">116</a> <em>     */</em>
<a name="117" href="#117">117</a>     <strong>protected</strong> <strong>void</strong> loadDefaultConverters() {
<a name="118" href="#118">118</a>         <strong>if</strong> (converters == <strong>null</strong>) {
<a name="119" href="#119">119</a>             converters = <strong>new</strong> ReferenceMap&lt;Class&lt;?>, Converter&lt;?>>(ReferenceType.WEAK, ReferenceType.STRONG);
<a name="120" href="#120">120</a>         } <strong>else</strong> {
<a name="121" href="#121">121</a>             converters.clear();
<a name="122" href="#122">122</a>         }
<a name="123" href="#123">123</a>         <em class="comment">// order is not important here but maintain alpha order for readability</em>
<a name="124" href="#124">124</a>         converters.put(BigDecimal.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/BigDecimalConverter.html">BigDecimalConverter</a>());
<a name="125" href="#125">125</a>         converters.put(BigInteger.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/BigIntegerConverter.html">BigIntegerConverter</a>());
<a name="126" href="#126">126</a>         converters.put(Boolean.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/BooleanConverter.html">BooleanConverter</a>());
<a name="127" href="#127">127</a>         converters.put(Byte.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/ByteConverter.html">ByteConverter</a>());
<a name="128" href="#128">128</a>         converters.put(Calendar.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/CalendarConverter.html">CalendarConverter</a>());
<a name="129" href="#129">129</a>         converters.put(Character.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/CharacterConverter.html">CharacterConverter</a>());
<a name="130" href="#130">130</a>         converters.put(Class.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/ClassConverter.html">ClassConverter</a>());
<a name="131" href="#131">131</a>         converters.put(Collection.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/CollectionConverter.html">CollectionConverter</a>());
<a name="132" href="#132">132</a>         converters.put(Date.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/DateConverter.html">DateConverter</a>());
<a name="133" href="#133">133</a>         converters.put(Double.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/DoubleConverter.html">DoubleConverter</a>());
<a name="134" href="#134">134</a>         converters.put(Enum.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/EnumConverter.html">EnumConverter</a>());
<a name="135" href="#135">135</a>         converters.put(File.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/FileConverter.html">FileConverter</a>());
<a name="136" href="#136">136</a>         converters.put(Float.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/FloatConverter.html">FloatConverter</a>());
<a name="137" href="#137">137</a>         converters.put(Integer.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/IntegerConverter.html">IntegerConverter</a>());
<a name="138" href="#138">138</a>         converters.put(Long.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/LongConverter.html">LongConverter</a>());
<a name="139" href="#139">139</a>         converters.put(Map.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/MapConverter.html">MapConverter</a>());
<a name="140" href="#140">140</a>         converters.put(Number.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/NumberConverter.html">NumberConverter</a>());
<a name="141" href="#141">141</a>         converters.put(Short.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/ShortConverter.html">ShortConverter</a>());
<a name="142" href="#142">142</a>         converters.put(String.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/StringConverter.html">StringConverter</a>());
<a name="143" href="#143">143</a>         converters.put(java.sql.Date.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/SQLDateConverter.html">SQLDateConverter</a>());
<a name="144" href="#144">144</a>         converters.put(java.sql.Time.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/SQLTimeConverter.html">SQLTimeConverter</a>());
<a name="145" href="#145">145</a>         converters.put(java.sql.Timestamp.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/TimestampConverter.html">TimestampConverter</a>());
<a name="146" href="#146">146</a>         converters.put(URL.<strong>class</strong>, <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/converters/URLConverter.html">URLConverter</a>());
<a name="147" href="#147">147</a>     }
<a name="148" href="#148">148</a> 
<a name="149" href="#149">149</a>     <em>/**<em>*</em></em>
<a name="150" href="#150">150</a> <em>     * Add a converter to the default set which will convert objects to the supplied type</em>
<a name="151" href="#151">151</a> <em>     * @param type the type this converter will convert objects to</em>
<a name="152" href="#152">152</a> <em>     * @param converter the converter</em>
<a name="153" href="#153">153</a> <em>     */</em>
<a name="154" href="#154">154</a>     <strong>public</strong> <strong>void</strong> addConverter(Class&lt;?> type, Converter&lt;?> converter) {
<a name="155" href="#155">155</a>         <strong>if</strong> (type == <strong>null</strong> || converter == <strong>null</strong>) {
<a name="156" href="#156">156</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"You must specify a type and a converter in order to add a converter (no nulls)"</span>);
<a name="157" href="#157">157</a>         }
<a name="158" href="#158">158</a>         getConverters().put(type, converter);
<a name="159" href="#159">159</a>     }
<a name="160" href="#160">160</a> 
<a name="161" href="#161">161</a>     <strong>protected</strong> List&lt;VariableConverter> variableConverters = <strong>null</strong>;
<a name="162" href="#162">162</a>     <em>/**<em>*</em></em>
<a name="163" href="#163">163</a> <em>     * Replace the current or default variable converters with a new set,</em>
<a name="164" href="#164">164</a> <em>     * this will remove the default variable converters and will not add them back in</em>
<a name="165" href="#165">165</a> <em>     * @param variableConverters the variable object converters</em>
<a name="166" href="#166">166</a> <em>     */</em>
<a name="167" href="#167">167</a>     <strong>public</strong> <strong>void</strong> setVariableConverters(List&lt;VariableConverter> variableConverters) {
<a name="168" href="#168">168</a>         loadDefaultVariableConverters();
<a name="169" href="#169">169</a>         <strong>if</strong> (variableConverters != <strong>null</strong>) {
<a name="170" href="#170">170</a>             <strong>for</strong> (VariableConverter variableConverter : variableConverters) {
<a name="171" href="#171">171</a>                 <strong>if</strong> (variableConverter != <strong>null</strong>) {
<a name="172" href="#172">172</a>                     <strong>this</strong>.variableConverters.add(variableConverter);
<a name="173" href="#173">173</a>                 }
<a name="174" href="#174">174</a>             }
<a name="175" href="#175">175</a>         }
<a name="176" href="#176">176</a>     }
<a name="177" href="#177">177</a>     <strong>protected</strong> List&lt;VariableConverter> getVariableConverters() {
<a name="178" href="#178">178</a>         <strong>if</strong> (variableConverters == <strong>null</strong>) {
<a name="179" href="#179">179</a>             loadDefaultVariableConverters();
<a name="180" href="#180">180</a>         }
<a name="181" href="#181">181</a>         <strong>return</strong> variableConverters;
<a name="182" href="#182">182</a>     }
<a name="183" href="#183">183</a> 
<a name="184" href="#184">184</a>     <strong>protected</strong> <strong>void</strong> loadDefaultVariableConverters() {
<a name="185" href="#185">185</a>         <strong>if</strong> (variableConverters == <strong>null</strong>) {
<a name="186" href="#186">186</a>             variableConverters = <strong>new</strong> Vector&lt;VariableConverter>();
<a name="187" href="#187">187</a>         } <strong>else</strong> {
<a name="188" href="#188">188</a>             clearVariableConverters();
<a name="189" href="#189">189</a>         }
<a name="190" href="#190">190</a>         variableConverters.add( <strong>new</strong> ArrayConverter() );
<a name="191" href="#191">191</a>         variableConverters.add( <strong>new</strong> ScalarConverter() );
<a name="192" href="#192">192</a>     }
<a name="193" href="#193">193</a> 
<a name="194" href="#194">194</a>     <em>/**<em>*</em></em>
<a name="195" href="#195">195</a> <em>     * Adds a variable converter to the end of the list of default variable converters</em>
<a name="196" href="#196">196</a> <em>     * @param variableConverter</em>
<a name="197" href="#197">197</a> <em>     */</em>
<a name="198" href="#198">198</a>     <strong>public</strong> <strong>void</strong> addVariableConverter(<a href="../../../org/azeckoski/reflectutils/converters/api/VariableConverter.html">VariableConverter</a> variableConverter) {
<a name="199" href="#199">199</a>         <strong>if</strong> (variableConverter == <strong>null</strong>) {
<a name="200" href="#200">200</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"You must specify a variableConverter in order to add it (no nulls)"</span>);
<a name="201" href="#201">201</a>         }
<a name="202" href="#202">202</a>         getVariableConverters().add(variableConverter);
<a name="203" href="#203">203</a>     }
<a name="204" href="#204">204</a> 
<a name="205" href="#205">205</a>     <em>/**<em>*</em></em>
<a name="206" href="#206">206</a> <em>     * Resets and removes all variable converters including the defaults,</em>
<a name="207" href="#207">207</a> <em>     * use this when you want to override the existing variable converters</em>
<a name="208" href="#208">208</a> <em>     */</em>
<a name="209" href="#209">209</a>     <strong>public</strong> <strong>void</strong> clearVariableConverters() {
<a name="210" href="#210">210</a>         <strong>if</strong> (variableConverters != <strong>null</strong>) {
<a name="211" href="#211">211</a>             variableConverters.clear();
<a name="212" href="#212">212</a>         }
<a name="213" href="#213">213</a>     }
<a name="214" href="#214">214</a> 
<a name="215" href="#215">215</a> 
<a name="216" href="#216">216</a>     <em>/**<em>*</em></em>
<a name="217" href="#217">217</a> <em>     * Added for apache commons beanutils compatibility,</em>
<a name="218" href="#218">218</a> <em>     * you should probably use {@link #convert(Object, Class)}&lt;br/></em>
<a name="219" href="#219">219</a> <em>     * Convert the specified value into a String.  If the specified value</em>
<a name="220" href="#220">220</a> <em>     * is an array, the first element (converted to a String) will be</em>
<a name="221" href="#221">221</a> <em>     * returned.  The registered {@link Converter} for the</em>
<a name="222" href="#222">222</a> <em>     * &lt;code>java.lang.String&lt;/code> class will be used, which allows</em>
<a name="223" href="#223">223</a> <em>     * applications to customize Object->String conversions (the default</em>
<a name="224" href="#224">224</a> <em>     * implementation simply uses toString()).</em>
<a name="225" href="#225">225</a> <em>     *  </em>
<a name="226" href="#226">226</a> <em>     * @param object any object</em>
<a name="227" href="#227">227</a> <em>     * @return the string OR null if one cannot be found</em>
<a name="228" href="#228">228</a> <em>     */</em>
<a name="229" href="#229">229</a>     <strong>public</strong> String convertToString(Object object) {
<a name="230" href="#230">230</a>         <em class="comment">// code here is basically from ConvertUtilsBeans 1.8.0</em>
<a name="231" href="#231">231</a>         String convert = <strong>null</strong>;
<a name="232" href="#232">232</a>         <strong>if</strong> (object == <strong>null</strong>) {
<a name="233" href="#233">233</a>             convert = <strong>null</strong>;
<a name="234" href="#234">234</a>         } <strong>else</strong> <strong>if</strong> (object.getClass().isArray()) {
<a name="235" href="#235">235</a>             <strong>if</strong> (Array.getLength(object) &lt; 1) {
<a name="236" href="#236">236</a>                 convert = <strong>null</strong>;
<a name="237" href="#237">237</a>             } <strong>else</strong> {
<a name="238" href="#238">238</a>                 Object value = Array.get(object, 0);
<a name="239" href="#239">239</a>                 <strong>if</strong> (value == <strong>null</strong>) {
<a name="240" href="#240">240</a>                     convert = <strong>null</strong>;
<a name="241" href="#241">241</a>                 } <strong>else</strong> {
<a name="242" href="#242">242</a>                     Converter&lt;String> converter = getConverter(String.<strong>class</strong>);
<a name="243" href="#243">243</a>                     <strong>return</strong> converter.convert(value);
<a name="244" href="#244">244</a>                 }
<a name="245" href="#245">245</a>             }
<a name="246" href="#246">246</a>         } <strong>else</strong> {
<a name="247" href="#247">247</a>             Converter&lt;String> converter = getConverter(String.<strong>class</strong>);
<a name="248" href="#248">248</a>             <strong>return</strong> converter.convert(object);
<a name="249" href="#249">249</a>         }
<a name="250" href="#250">250</a>         <strong>return</strong> convert;
<a name="251" href="#251">251</a>     }
<a name="252" href="#252">252</a> 
<a name="253" href="#253">253</a>     <em>/**<em>*</em></em>
<a name="254" href="#254">254</a> <em>     * Added for apache commons beanutils compatibility,</em>
<a name="255" href="#255">255</a> <em>     * you should probably use {@link #convert(Object, Class)}&lt;br/></em>
<a name="256" href="#256">256</a> <em>     * Convert the string value to an object of the specified class (if</em>
<a name="257" href="#257">257</a> <em>     * possible).  Otherwise, return a String representation of the value.</em>
<a name="258" href="#258">258</a> <em>     *</em>
<a name="259" href="#259">259</a> <em>     * @param value the string value to be converted</em>
<a name="260" href="#260">260</a> <em>     * @param type any class type that you want to try to convert the object to</em>
<a name="261" href="#261">261</a> <em>     * @return the converted value</em>
<a name="262" href="#262">262</a> <em>     * @throws UnsupportedOperationException if the conversion cannot be completed</em>
<a name="263" href="#263">263</a> <em>     */</em>
<a name="264" href="#264">264</a>     <strong>public</strong> Object convertString(String value, Class&lt;?> type) {
<a name="265" href="#265">265</a>         Object convert = <strong>null</strong>;
<a name="266" href="#266">266</a>         <strong>try</strong> {
<a name="267" href="#267">267</a>             convert = convert(value, type);
<a name="268" href="#268">268</a>         } <strong>catch</strong> (UnsupportedOperationException e) {
<a name="269" href="#269">269</a>             convert = value;
<a name="270" href="#270">270</a>         }
<a name="271" href="#271">271</a>         <strong>return</strong> convert;
<a name="272" href="#272">272</a>     }
<a name="273" href="#273">273</a> 
<a name="274" href="#274">274</a>     <em>/**<em>*</em></em>
<a name="275" href="#275">275</a> <em>     * Converts an object to any other object if possible using the current set of converters,</em>
<a name="276" href="#276">276</a> <em>     * will allow nulls to pass through unless there is a converter which will handle them &lt;br/></em>
<a name="277" href="#277">277</a> <em>     * Includes special handling for primitives, arrays, and collections </em>
<a name="278" href="#278">278</a> <em>     * (will take the first value when converting to scalar)</em>
<a name="279" href="#279">279</a> <em>     * </em>
<a name="280" href="#280">280</a> <em>     * @param &lt;T></em>
<a name="281" href="#281">281</a> <em>     * @param value any object</em>
<a name="282" href="#282">282</a> <em>     * @param type any class type that you want to try to convert the object to</em>
<a name="283" href="#283">283</a> <em>     * @return the converted value (allows null to pass through except in the case of primitives which become the primitive default)</em>
<a name="284" href="#284">284</a> <em>     * @throws UnsupportedOperationException if the conversion cannot be completed</em>
<a name="285" href="#285">285</a> <em>     */</em>
<a name="286" href="#286">286</a>     @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="287" href="#287">287</a>     <strong>public</strong> &lt;T> T convert(Object value, Class&lt;T> type) {
<a name="288" href="#288">288</a>         T convert = <strong>null</strong>;
<a name="289" href="#289">289</a>         Object toConvert = value;
<a name="290" href="#290">290</a>         <strong>if</strong> (toConvert != <strong>null</strong>) {
<a name="291" href="#291">291</a>             Class&lt;?> fromType = toConvert.getClass();
<a name="292" href="#292">292</a>             <em class="comment">// first we check to see if we even need to do the conversion</em>
<a name="293" href="#293">293</a>             <strong>if</strong> ( ConstructorUtils.classAssignable(fromType, type) ) {
<a name="294" href="#294">294</a>                 <em class="comment">// this is already equivalent so no reason to convert</em>
<a name="295" href="#295">295</a>                 convert = (T) value;
<a name="296" href="#296">296</a>             } <strong>else</strong> {
<a name="297" href="#297">297</a>                 <em class="comment">// needs to be converted</em>
<a name="298" href="#298">298</a>                 <strong>try</strong> {
<a name="299" href="#299">299</a>                     convert = convertWithConverter(toConvert, type);
<a name="300" href="#300">300</a>                 } <strong>catch</strong> (RuntimeException e) {
<a name="301" href="#301">301</a>                     <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"Could not convert object ("</span>+toConvert+<span class="string">") from type ("</span>+fromType+<span class="string">") to type ("</span>+type+<span class="string">"): "</span> + e.getMessage(), e);
<a name="302" href="#302">302</a>                 }
<a name="303" href="#303">303</a>             }
<a name="304" href="#304">304</a>         } <strong>else</strong> {
<a name="305" href="#305">305</a>             <em class="comment">// object is null but type requested may be primitive</em>
<a name="306" href="#306">306</a>             <strong>if</strong> ( ConstructorUtils.isClassPrimitive(type) ) {
<a name="307" href="#307">307</a>                 <em class="comment">// for primitives we return the default value</em>
<a name="308" href="#308">308</a>                 <strong>if</strong> (ConstructorUtils.getPrimitiveDefaults().containsKey(type)) {
<a name="309" href="#309">309</a>                     convert = (T) ConstructorUtils.getPrimitiveDefaults().get(type);
<a name="310" href="#310">310</a>                 }
<a name="311" href="#311">311</a>             }
<a name="312" href="#312">312</a>         }
<a name="313" href="#313">313</a>         <strong>return</strong> convert;
<a name="314" href="#314">314</a>     }
<a name="315" href="#315">315</a> 
<a name="316" href="#316">316</a>     <em>/**<em>*</em></em>
<a name="317" href="#317">317</a> <em>     * Use the converters to convert the value to the provided type,</em>
<a name="318" href="#318">318</a> <em>     * this simply finds the converter and does the conversion,</em>
<a name="319" href="#319">319</a> <em>     * will convert interface types automatically &lt;br/></em>
<a name="320" href="#320">320</a> <em>     * WARNING: you should use {@link #convert(Object, Class)} unless you have a special need</em>
<a name="321" href="#321">321</a> <em>     * for this, it is primarily for reducing code complexity</em>
<a name="322" href="#322">322</a> <em>     * </em>
<a name="323" href="#323">323</a> <em>     * @param &lt;T></em>
<a name="324" href="#324">324</a> <em>     * @param value any object to be converted</em>
<a name="325" href="#325">325</a> <em>     * @param type the type to convert to</em>
<a name="326" href="#326">326</a> <em>     * @return the converted object (may be null)</em>
<a name="327" href="#327">327</a> <em>     * @throws UnsupportedOperationException is the conversion could not be completed</em>
<a name="328" href="#328">328</a> <em>     */</em>
<a name="329" href="#329">329</a>     <strong>protected</strong> &lt;T> T convertWithConverter(Object value, Class&lt;T> type) {
<a name="330" href="#330">330</a>         T convert = <strong>null</strong>;
<a name="331" href="#331">331</a>         <em class="comment">// check for a variable converter that says it will handle the conversion first</em>
<a name="332" href="#332">332</a>         <a href="../../../org/azeckoski/reflectutils/converters/api/VariableConverter.html">VariableConverter</a> variableConverter = getVariableConverter(value, type);
<a name="333" href="#333">333</a>         <strong>if</strong> (variableConverter != <strong>null</strong>) {
<a name="334" href="#334">334</a>             <em class="comment">// use the variable converter</em>
<a name="335" href="#335">335</a>             convert = variableConverter.convert(value, type);
<a name="336" href="#336">336</a>         } <strong>else</strong> {
<a name="337" href="#337">337</a>             <em class="comment">// use a converter</em>
<a name="338" href="#338">338</a>             Converter&lt;T> converter = getConverterOrFail(type);
<a name="339" href="#339">339</a>             <strong>if</strong> (InterfaceConverter.<strong>class</strong>.isAssignableFrom(converter.getClass())) {
<a name="340" href="#340">340</a>                 convert = ((InterfaceConverter&lt;T>)converter).convertInterface(value, type);
<a name="341" href="#341">341</a>             } <strong>else</strong> {
<a name="342" href="#342">342</a>                 <em class="comment">// standard converter</em>
<a name="343" href="#343">343</a>                 convert = converter.convert(value);
<a name="344" href="#344">344</a>             }
<a name="345" href="#345">345</a>         }
<a name="346" href="#346">346</a>         <strong>return</strong> convert;
<a name="347" href="#347">347</a>     }
<a name="348" href="#348">348</a> 
<a name="349" href="#349">349</a>     <em>/**<em>*</em></em>
<a name="350" href="#350">350</a> <em>     * Get the converter or throw exception</em>
<a name="351" href="#351">351</a> <em>     * @param &lt;T></em>
<a name="352" href="#352">352</a> <em>     * @param type type to convert to</em>
<a name="353" href="#353">353</a> <em>     * @return the converter or die</em>
<a name="354" href="#354">354</a> <em>     * @throws UnsupportedOperationException if the converter cannot be found</em>
<a name="355" href="#355">355</a> <em>     */</em>
<a name="356" href="#356">356</a>     <strong>protected</strong> &lt;T> Converter&lt;T> getConverterOrFail(Class&lt;T> type) {
<a name="357" href="#357">357</a>         Converter&lt;T> converter = getConverter(type);
<a name="358" href="#358">358</a>         <strong>if</strong> (converter == <strong>null</strong>) {
<a name="359" href="#359">359</a>             <strong>throw</strong> <strong>new</strong> UnsupportedOperationException(<span class="string">"Conversion failure: No converter available to handle conversions to type ("</span>+type+<span class="string">")"</span>);
<a name="360" href="#360">360</a>         }
<a name="361" href="#361">361</a>         <strong>return</strong> converter;
<a name="362" href="#362">362</a>     }
<a name="363" href="#363">363</a> 
<a name="364" href="#364">364</a>     <em>/**<em>*</em></em>
<a name="365" href="#365">365</a> <em>     * Get the converter for the given type if there is one</em>
<a name="366" href="#366">366</a> <em>     * @param &lt;T></em>
<a name="367" href="#367">367</a> <em>     * @param type the type to convert to</em>
<a name="368" href="#368">368</a> <em>     * @return the converter for this type OR null if there is not one</em>
<a name="369" href="#369">369</a> <em>     */</em>
<a name="370" href="#370">370</a>     @SuppressWarnings(<span class="string">"unchecked"</span>)
<a name="371" href="#371">371</a>     <strong>protected</strong> &lt;T> Converter&lt;T> getConverter(Class&lt;T> type) {
<a name="372" href="#372">372</a>         <strong>if</strong> (type == <strong>null</strong>) {
<a name="373" href="#373">373</a>             <strong>throw</strong> <strong>new</strong> IllegalArgumentException(<span class="string">"Cannot get a converter for nulls"</span>);
<a name="374" href="#374">374</a>         }
<a name="375" href="#375">375</a>         <em class="comment">// first make sure we are using an actual wrapper class and not the primitive class (int.class)</em>
<a name="376" href="#376">376</a>         Class&lt;?> toType = ConstructorUtils.getWrapper(type);
<a name="377" href="#377">377</a>         Converter&lt;T> converter = (Converter&lt;T>) getConverters().get(toType);
<a name="378" href="#378">378</a>         <strong>if</strong> (converter == <strong>null</strong>) {
<a name="379" href="#379">379</a>             <em class="comment">// none found so try not using the interface</em>
<a name="380" href="#380">380</a>             toType = ConstructorUtils.getClassFromInterface(toType);
<a name="381" href="#381">381</a>             converter = (Converter&lt;T>) getConverters().get(toType);
<a name="382" href="#382">382</a>             <strong>if</strong> (converter == <strong>null</strong>) {
<a name="383" href="#383">383</a>                 <em class="comment">// still no converter found so try the interfaces</em>
<a name="384" href="#384">384</a>                 <strong>for</strong> (Class&lt;?> iface : ConstructorUtils.getExtendAndInterfacesForClass(toType)) {
<a name="385" href="#385">385</a>                     converter = (Converter&lt;T>) getConverters().get(iface);
<a name="386" href="#386">386</a>                     <strong>if</strong> (converter != <strong>null</strong>) {
<a name="387" href="#387">387</a>                         <em class="comment">// found a converter</em>
<a name="388" href="#388">388</a>                         <strong>break</strong>;
<a name="389" href="#389">389</a>                     }
<a name="390" href="#390">390</a>                 }
<a name="391" href="#391">391</a>             }
<a name="392" href="#392">392</a>         }
<a name="393" href="#393">393</a>         <strong>return</strong> converter;
<a name="394" href="#394">394</a>     }
<a name="395" href="#395">395</a> 
<a name="396" href="#396">396</a>     <em>/**<em>*</em></em>
<a name="397" href="#397">397</a> <em>     * Get the variable converter for this value and type if there is one,</em>
<a name="398" href="#398">398</a> <em>     * returns null if no converter is available</em>
<a name="399" href="#399">399</a> <em>     * @param value the value to convert</em>
<a name="400" href="#400">400</a> <em>     * @param type the type to convert to</em>
<a name="401" href="#401">401</a> <em>     * @return the variable converter if there is one OR null if none exists</em>
<a name="402" href="#402">402</a> <em>     */</em>
<a name="403" href="#403">403</a>     <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/converters/api/VariableConverter.html">VariableConverter</a> getVariableConverter(Object value, Class&lt;?> type) {
<a name="404" href="#404">404</a>         <a href="../../../org/azeckoski/reflectutils/converters/api/VariableConverter.html">VariableConverter</a> converter = <strong>null</strong>;
<a name="405" href="#405">405</a>         Class&lt;?> toType = ConstructorUtils.getWrapper(type);
<a name="406" href="#406">406</a>         <strong>for</strong> (VariableConverter variableConverter : getVariableConverters()) {
<a name="407" href="#407">407</a>             <strong>if</strong> (variableConverter.canConvert(value, toType)) {
<a name="408" href="#408">408</a>                 converter = variableConverter;
<a name="409" href="#409">409</a>                 <strong>break</strong>;
<a name="410" href="#410">410</a>             }
<a name="411" href="#411">411</a>         }
<a name="412" href="#412">412</a>         <strong>return</strong> converter;
<a name="413" href="#413">413</a>     }
<a name="414" href="#414">414</a> 
<a name="415" href="#415">415</a>     @Override
<a name="416" href="#416">416</a>     <strong>public</strong> String toString() {
<a name="417" href="#417">417</a>         StringBuilder sb = <strong>new</strong> StringBuilder();
<a name="418" href="#418">418</a>         sb.append(<span class="string">"converters="</span>);
<a name="419" href="#419">419</a>         sb.append(getConverters().size());
<a name="420" href="#420">420</a>         sb.append(<span class="string">":"</span>);
<a name="421" href="#421">421</a>         <strong>for</strong> (Entry&lt;Class&lt;?>, Converter&lt;?>> entry : getConverters().entrySet()) {
<a name="422" href="#422">422</a>             sb.append(<span class="string">"["</span>);
<a name="423" href="#423">423</a>             sb.append(entry.getKey().getName());
<a name="424" href="#424">424</a>             sb.append(<span class="string">"=>"</span>);
<a name="425" href="#425">425</a>             sb.append(entry.getValue().getClass().getName());
<a name="426" href="#426">426</a>             sb.append(<span class="string">"]"</span>);
<a name="427" href="#427">427</a>         }
<a name="428" href="#428">428</a>         sb.append(<span class="string">":variable="</span>);
<a name="429" href="#429">429</a>         sb.append(getVariableConverters().size());
<a name="430" href="#430">430</a>         sb.append(<span class="string">":"</span>);
<a name="431" href="#431">431</a>         <strong>for</strong> (VariableConverter variableConverter : getVariableConverters()) {
<a name="432" href="#432">432</a>             sb.append(<span class="string">"("</span>);
<a name="433" href="#433">433</a>             sb.append(variableConverter.getClass().getName());
<a name="434" href="#434">434</a>             sb.append(<span class="string">")"</span>);
<a name="435" href="#435">435</a>         }        
<a name="436" href="#436">436</a>         <strong>return</strong> <span class="string">"Convert::c="</span>+ConversionUtils.timesCreated+<span class="string">":s="</span>+singleton+<span class="string">":"</span> + sb.toString();
<a name="437" href="#437">437</a>     }
<a name="438" href="#438">438</a> 
<a name="439" href="#439">439</a>     <em class="comment">// STATIC access</em>
<a name="440" href="#440">440</a> 
<a name="441" href="#441">441</a>     <strong>protected</strong> <strong>static</strong> SoftReference&lt;ConversionUtils> instanceStorage;
<a name="442" href="#442">442</a>     <em>/**<em>*</em></em>
<a name="443" href="#443">443</a> <em>     * Get a singleton instance of this class to work with (stored statically) &lt;br/></em>
<a name="444" href="#444">444</a> <em>     * &lt;b>WARNING&lt;/b>: do not hold onto this object or cache it yourself, call this method again if you need it again</em>
<a name="445" href="#445">445</a> <em>     * @return a singleton instance of this class</em>
<a name="446" href="#446">446</a> <em>     */</em>
<a name="447" href="#447">447</a>     <strong>public</strong> <strong>static</strong> <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a> getInstance() {
<a name="448" href="#448">448</a>         <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a> instance = (instanceStorage == <strong>null</strong> ? <strong>null</strong> : instanceStorage.get());
<a name="449" href="#449">449</a>         <strong>if</strong> (instance == <strong>null</strong>) {
<a name="450" href="#450">450</a>             instance = ConversionUtils.setInstance(<strong>null</strong>);
<a name="451" href="#451">451</a>         }
<a name="452" href="#452">452</a>         <strong>return</strong> instance;
<a name="453" href="#453">453</a>     }
<a name="454" href="#454">454</a>     <em>/**<em>*</em></em>
<a name="455" href="#455">455</a> <em>     * Set the singleton instance of the class which will be stored statically</em>
<a name="456" href="#456">456</a> <em>     * @param instance the instance to use as the singleton instance</em>
<a name="457" href="#457">457</a> <em>     */</em>
<a name="458" href="#458">458</a>     <strong>public</strong> <strong>static</strong> <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a> setInstance(<a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a> newInstance) {
<a name="459" href="#459">459</a>         <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a> instance = newInstance;
<a name="460" href="#460">460</a>         <strong>if</strong> (instance == <strong>null</strong>) {
<a name="461" href="#461">461</a>             instance = <strong>new</strong> <a href="../../../org/azeckoski/reflectutils/ConversionUtils.html">ConversionUtils</a>();
<a name="462" href="#462">462</a>             instance.singleton = <strong>true</strong>;
<a name="463" href="#463">463</a>         }
<a name="464" href="#464">464</a>         ConversionUtils.timesCreated++;
<a name="465" href="#465">465</a>         instanceStorage = <strong>new</strong> SoftReference&lt;ConversionUtils>(instance);
<a name="466" href="#466">466</a>         <strong>return</strong> instance;
<a name="467" href="#467">467</a>     }
<a name="468" href="#468">468</a> 
<a name="469" href="#469">469</a>     <strong>private</strong> <strong>static</strong> <strong>int</strong> timesCreated = 0;
<a name="470" href="#470">470</a>     <strong>public</strong> <strong>static</strong> <strong>int</strong> getTimesCreated() {
<a name="471" href="#471">471</a>         <strong>return</strong> timesCreated;
<a name="472" href="#472">472</a>     }
<a name="473" href="#473">473</a> 
<a name="474" href="#474">474</a>     <strong>private</strong> <strong>boolean</strong> singleton = false;
<a name="475" href="#475">475</a>     <em>/**<em>*</em></em>
<a name="476" href="#476">476</a> <em>     * @return true if this object is the singleton</em>
<a name="477" href="#477">477</a> <em>     */</em>
<a name="478" href="#478">478</a>     <strong>public</strong> <strong>boolean</strong> isSingleton() {
<a name="479" href="#479">479</a>         <strong>return</strong> singleton;
<a name="480" href="#480">480</a>     }
<a name="481" href="#481">481</a> 
<a name="482" href="#482">482</a>     <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/ConstructorUtils.html">ConstructorUtils</a> getConstructorUtils() {
<a name="483" href="#483">483</a>         <strong>return</strong> ConstructorUtils.getInstance();
<a name="484" href="#484">484</a>     }
<a name="485" href="#485">485</a> 
<a name="486" href="#486">486</a>     <strong>protected</strong> <a href="../../../org/azeckoski/reflectutils/FieldUtils.html">FieldUtils</a> getFieldUtils() {
<a name="487" href="#487">487</a>         <strong>return</strong> FieldUtils.getInstance();
<a name="488" href="#488">488</a>     }
<a name="489" href="#489">489</a> 
<a name="490" href="#490">490</a> }
</pre>
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